#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2018/12/9 12:16
# @Author  : lizhen
# @Site    : 
# @File    : assign.py
# @Software: PyCharm


class CustomAssign:
    def __iadd__(self, other):
        pass

    def __imul__(self, other):
        pass
